Homebrew PCBs

--- In Homebrew_PCBs@yahoogroups.com, Lez <lez.briddon@...> wrote:
>
> On 13/04/06, Steve <alienrelics@...> wrote:
> > --- In Homebrew_PCBs@yahoogroups.com, "jamesgeidl" <jgeidl@> wrote:
> > >
> > > Has anyone tried heat transfer paper and ink, like the sutff you
make T
> > > shirts tranfers with?
> > >
> > > Jim
> > >
> >
> > Dye sublimation transfers only work on coated surfaces. The dye turns
> > to gas, soaks into a polymer coating and goes back to solid. So no go.
> >
> > The other type of heat transfer is a sheet of release paper covered
> > with a plastisol-type stuff that the ink adheres too, when pressed the
> > entire plastisol sheet sticks to the Tshirt. So no go with that,
either.
> >
> >
> 
> And then the third type that works just like TT, the dye is 'gassed'
> onto a transfer sheet and then wrapped around mugs etc and put in a
> heated 'mug cooker', the image is transfered to the mug.

> I once fixed a PC in a shop that did this, and brass signs that were
> printed the same way, and it does work for pcbs etc, because I asked
> em for a sample print!

You mean you had them transfer this to untreated PCB, and etched it?
Or just transfer a PCB pattern onto their brass?

> Problem was it was expensive, it was an a3 epson converted to bulk ink
> feed, and they paid 1250ukp for it and would only get the paper/ink
> from the same supplier because of the warrenty, and they said 'its not
> cheap to run' as the ink is expensive and the papers worth more per sq
> inch than paper money.........

It sounds an awful lot like inkjet dye sub. Which requires polymer
coated hard items, or polyester fabric.

Steve Greenfield